Answer:
A= 153.94 mm
Step-by-step explanation:
A = πr²
A=π(7)²
A= 153.94 mm
 
        
             
        
        
        
10,000.
or
 0.0001 one ten-thousandth 
        
             
        
        
        
Answer:
150+50*4=350
Step-by-step explanation:
hope it helped sorry if it's not what you wanted.
 
        
                    
             
        
        
        
Answer:
There is no common difference
Step-by-step explanation:
      4      9      13      18
diff     5      4       5
Because the difference between 9 and 13 is 4 
and the difference in the other terms is 5 
there is no common differeence
 
        
             
        
        
        
7 goes into 11 one time, which leaves you with 1 4/7.